Merge branch 'master' into ImplementContentVisibility

Bump eslint-plugin-react from 7.37.2 to 7.37.3

.circleci/config.yml

@@ -70,9 +70,15 @@ jobs:
       - run:
           name: Test - Hard Breaks
           command: npm run test:hard-breaks
+      - run:
+          name: Test - Non-Breaking Spaces
+          command: npm run test:non-breaking-spaces
       - run:
           name: Test - Variables
           command: npm run test:variables
+      - run:
+          name: Test - Emojis
+          command: npm run test:emojis
       - run:
           name: Test - Routes
           command: npm run test:route
@@ -82,6 +88,9 @@ jobs:
       - run:
           name: Test - Coverage
           command: npm run test:coverage
+      - run:
+          name: Test - Content Negotiation
+          command: npm run test:content-negotiation
 
 workflows:
   build_and_test:

.github/pull_request_template.md

@@ -1,26 +1,29 @@
-<!--
-     Before submitting a Pull Request, please consider the following to speed up reviews:
-     - 👷‍♀️ Create small PRs. Large PRs can usually be broken down into incremental PRs.
-     - 🚩 Do you already have several open PRs? Consider finishing or asking for help with existing PRs first.
-     - 🔧 Does your PR reference a discussed and approved issue, especially for personal or edge-case requests?
-     - 💡 Is the solution agreed upon? Save rework time by discussing strategy before coding.
--->
+> [!TIP]
+> Before submitting a Pull Request, please consider the following to speed up reviews:
+> - 👷‍♀️ Create small PRs. Large PRs can usually be broken down into incremental PRs.
+> - 🚩 Do you already have several open PRs? Consider finishing or asking for help with existing PRs first.
+> - 🔧 Does your PR reference a discussed and approved issue, especially for personal or edge-case requests?
+> - 💡 Is the solution agreed upon? Save rework time by discussing strategy before coding.
 
 ## Description
 
+_Describe what your PR accomplishes. Consider walking through the main changes to aid reviewers in following your code, especially if it covers multiple files._
 
 ## Related Issues or Discussions
 
+> [!CAUTION]
+> If no issue exists yet, create it, and get agreement on the approach (or paste in a previous agreement from chat, etc.) before moving forward. (Experimental PRs are OK without prior discussion, but do not expect to get merged.)
+
 - Closes #
 
 ## QA Instructions, Screenshots, Recordings
 
-_Please replace this line with instructions on how to test or view your changes, as well as any before/after
-images for UI changes._
+_Replace this line with instructions on how to test or view your changes, as well as any before/after
+screenshots or recordings for UI changes._
 
 ### Reviewer Checklist
 
-_Please replace the list below with specific features you want reviewers to look at._
+_Replace the list below with specific features you want reviewers to look at._
 
 *Reviewers, refer to this list when testing features, or suggest new items *
 - [ ] Verify new features are functional
@@ -32,5 +35,3 @@ _Please replace the list below with specific features you want reviewers to look
   - [ ] Feature A handles negative numbers
 - [ ] Identify opportunities for simplification and refactoring
 - [ ] Check for code legibility and appropriate comments
-
-<details><summary>Copy this list</summary>

client/components/Anchored.jsx

@@ -7,6 +7,11 @@ import './Anchored.less';
 // **The Anchor Positioning API is not available in Firefox yet**
 // So in Firefox the positioning isn't perfect but is likely sufficient, and FF team seems to be working on the API quickly.
 
+// When Anchor Positioning is added to Firefox, this can also be rewritten using the Popover API-- add the `popover` attribute
+// to the container div, which will render the container in the *top level* and give it better interactions like
+// click outside to dismiss.  **Do not** add without Anchor, though, because positioning is very limited with the `popover`
+// attribute.
+
 
 const Anchored = ({ children })=>{
 	const [visible, setVisible] = useState(false);

client/homebrew/brewRenderer/brewRenderer.jsx

@@ -1,7 +1,7 @@
 /*eslint max-lines: ["warn", {"max": 300, "skipBlankLines": true, "skipComments": true}]*/
 require('./brewRenderer.less');
 const React = require('react');
-const { useState, useRef, useCallback, useMemo } = React;
+const { useState, useRef, useMemo, useEffect } = React;
 const _ = require('lodash');
 
 const MarkdownLegacy = require('naturalcrit/markdownLegacy.js');
@@ -36,8 +36,46 @@ const BrewPage = (props)=>{
 		index    : 0,
 		...props
 	};
+	const pageRef = useRef(null);
 	const cleanText = safeHTML(props.contents);
-	return <div className={props.className} id={`p${props.index + 1}`} style={props.style}>
+
+	useEffect(()=>{
+		if(!pageRef.current) return;
+
+		// Observer for tracking pages within the `.pages` div
+		const visibleObserver = new IntersectionObserver(
+			(entries)=>{
+				entries.forEach((entry)=>{
+					if(entry.isIntersecting)
+						props.onVisibilityChange(props.index + 1, true, false); // add page to array of visible pages.
+					else
+						props.onVisibilityChange(props.index + 1, false, false);
+				}
+			)},
+			{ threshold: .3, rootMargin: '0px 0px 0px 0px'  } // detect when >30% of page is within bounds.
+		);
+
+		// Observer for tracking the page at the center of the iframe.
+		const centerObserver = new IntersectionObserver(
+			(entries)=>{
+				entries.forEach((entry)=>{
+					if(entry.isIntersecting)
+						props.onVisibilityChange(props.index + 1, true, true); // Set this page as the center page
+				}
+			)},
+			{ threshold: 0, rootMargin: '-50% 0px -50% 0px' } // Detect when the page is at the center
+		);
+
+		// attach observers to each `.page`
+		visibleObserver.observe(pageRef.current);
+		centerObserver.observe(pageRef.current);
+		return ()=>{
+			visibleObserver.disconnect();
+			centerObserver.disconnect();
+		};
+	}, []);
+
+	return <div className={props.className} id={`p${props.index + 1}`} data-index={props.index} ref={pageRef} style={props.style}>
 	         <div className='columnWrapper' dangerouslySetInnerHTML={{ __html: cleanText }} />
 	       </div>;
 };
@@ -64,8 +102,10 @@ const BrewRenderer = (props)=>{
 	};
 
 	const [state, setState] = useState({
-		isMounted  : false,
-		visibility : 'hidden'
+		isMounted    : false,
+		visibility   : 'hidden',
+		visiblePages : [],
+		centerPage   : 1
 	});
 
 	const [displayOptions, setDisplayOptions] = useState({
@@ -83,34 +123,23 @@ const BrewRenderer = (props)=>{
 		rawPages = props.text.split(/^\\page$/gm);
 	}
 
-	const scrollToHash = (hash)=>{
-		if(!hash) return;
+	const handlePageVisibilityChange = (pageNum, isVisible, isCenter)=>{
+		setState((prevState)=>{
+			const updatedVisiblePages = new Set(prevState.visiblePages);
+			if(!isCenter)
+				isVisible ? updatedVisiblePages.add(pageNum) : updatedVisiblePages.delete(pageNum);
 
-		const iframeDoc = document.getElementById('BrewRenderer').contentDocument;
-		let anchor = iframeDoc.querySelector(hash);
+			return {
+				...prevState,
+				visiblePages : [...updatedVisiblePages].sort((a, b)=>a - b),
+				centerPage   : isCenter ? pageNum : prevState.centerPage
+			};
+		});
 
-		if(anchor) {
-			anchor.scrollIntoView({ behavior: 'smooth' });
-		} else {
-			// Use MutationObserver to wait for the element if it's not immediately available
-			new MutationObserver((mutations, obs)=>{
-				anchor = iframeDoc.querySelector(hash);
-				if(anchor) {
-					anchor.scrollIntoView({ behavior: 'smooth' });
-					obs.disconnect();
-				}
-			}).observe(iframeDoc, { childList: true, subtree: true });
-		}
+		if(isCenter)
+			props.onPageChange(pageNum);
 	};
 
-	const updateCurrentPage = useCallback(_.throttle((e)=>{
-		const { scrollTop, clientHeight, scrollHeight } = e.target;
-		const totalScrollableHeight = scrollHeight - clientHeight;
-		const currentPageNumber = Math.max(Math.ceil((scrollTop / totalScrollableHeight) * rawPages.length), 1);
-
-		props.onPageChange(currentPageNumber);
-	}, 200), []);
-
 	const isInView = (index)=>{
 		if(!state.isMounted)
 			return false;
@@ -137,19 +166,21 @@ const BrewRenderer = (props)=>{
 	};
 
 	const renderPage = (pageText, index)=>{
+
+		const styles = {
+			...(!displayOptions.pageShadows ? { boxShadow: 'none' } : {})
+			// Add more conditions as needed
+		};
+
 		if(props.renderer == 'legacy') {
 			const html = MarkdownLegacy.render(pageText);
-			return <BrewPage className='page phb' index={index} key={index} contents={html} />;
+
+			return <BrewPage className='page phb' index={index} key={index} contents={html} style={styles} onVisibilityChange={handlePageVisibilityChange} />;
 		} else {
 			pageText += `\n\n&nbsp;\n\\column\n&nbsp;`; //Artificial column break at page end to emulate column-fill:auto (until `wide` is used, when column-fill:balance will reappear)
 			const html = Markdown.render(pageText, index);
 
-			const styles = {
-				...(!displayOptions.pageShadows ? { boxShadow: 'none' } : {})
-				// Add more conditions as needed
-			};
-
-			return <BrewPage className='page' index={index} key={index} contents={html} style={styles} />;
+			return <BrewPage className='page' index={index} key={index} contents={html} style={styles} onVisibilityChange={handlePageVisibilityChange} />;
 		}
 	};
 
@@ -182,6 +213,26 @@ const BrewRenderer = (props)=>{
 		}
 	};
 
+	const scrollToHash = (hash)=>{
+		if(!hash) return;
+
+		const iframeDoc = document.getElementById('BrewRenderer').contentDocument;
+		let anchor = iframeDoc.querySelector(hash);
+
+		if(anchor) {
+			anchor.scrollIntoView({ behavior: 'smooth' });
+		} else {
+			// Use MutationObserver to wait for the element if it's not immediately available
+			new MutationObserver((mutations, obs)=>{
+				anchor = iframeDoc.querySelector(hash);
+				if(anchor) {
+					anchor.scrollIntoView({ behavior: 'smooth' });
+					obs.disconnect();
+				}
+			}).observe(iframeDoc, { childList: true, subtree: true });
+		}
+	};
+
 	const frameDidMount = ()=>{	//This triggers when iFrame finishes internal "componentDidMount"
 		scrollToHash(window.location.hash);
 
@@ -217,13 +268,13 @@ const BrewRenderer = (props)=>{
 	}
 
 	const renderedStyle = useMemo(()=>renderStyle(), [props.style, props.themeBundle]);
-	renderedPages = useMemo(()=>renderPages(), [displayOptions.pageShadows, props.text]);
+	renderedPages = useMemo(()=>renderPages(), [props.text, displayOptions]);
 
 	return (
 		<>
 			{/*render dummy page while iFrame is mounting.*/}
 			{!state.isMounted
-				? <div className='brewRenderer' onScroll={updateCurrentPage}>
+				? <div className='brewRenderer'>
 					<div className='pages'>
 						{renderDummyPage(1)}
 					</div>
@@ -236,7 +287,7 @@ const BrewRenderer = (props)=>{
 				<NotificationPopup />
 			</div>
 
-			<ToolBar displayOptions={displayOptions} currentPage={props.currentBrewRendererPageNum} totalPages={rawPages.length} onDisplayOptionsChange={handleDisplayOptionsChange} />
+			<ToolBar displayOptions={displayOptions} onDisplayOptionsChange={handleDisplayOptionsChange} visiblePages={state.visiblePages.length > 0 ? state.visiblePages : [state.centerPage]} totalPages={rawPages.length}/>
 
 			{/*render in iFrame so broken code doesn't crash the site.*/}
 			<Frame id='BrewRenderer' initialContent={INITIAL_CONTENT}
@@ -245,18 +296,17 @@ const BrewRenderer = (props)=>{
 				onClick={()=>{emitClick();}}
 			>
 				<div className={`brewRenderer ${global.config.deployment && 'deployment'}`}
-					onScroll={updateCurrentPage}
 					onKeyDown={handleControlKeys}
 					tabIndex={-1}
-					style={ styleObject }>
+					style={ styleObject }
+				>
 
 					{/* Apply CSS from Style tab and render pages from Markdown tab */}
 					{state.isMounted
 						&&
 						<>
 							{renderedStyle}
-							<div lang={`${props.lang || 'en'}`} style={pagesStyle} className={
-								`pages ${displayOptions.startOnRight ? 'recto' : 'verso'}	${displayOptions.spread}` } >
+							<div className={`pages ${displayOptions.startOnRight ? 'recto' : 'verso'}	${displayOptions.spread}`} lang={`${props.lang || 'en'}`} style={pagesStyle}>
 								{renderedPages}
 							</div>
 						</>

client/homebrew/brewRenderer/brewRenderer.less

@@ -17,7 +17,7 @@
 			grid-template-columns: repeat(2, auto); 
 			grid-template-rows: repeat(3, auto); 
 			gap: 10px 10px; 
-			justify-content: center;
+			justify-content: safe center;
 			&.recto .page:first-child {
 				// sets first page on 'right' ('recto') of the preview, as if for a Cover page.  
 				// todo: add a checkbox to toggle this setting
@@ -33,7 +33,7 @@
 			display: flex;
 			flex-wrap: wrap;
 			gap: 10px;
-			justify-content: flex-start;
+			justify-content: safe center;
 			& :where(.page) {
 				flex: 0 0 auto;
 				margin-left: unset !important;

client/homebrew/brewRenderer/toolBar/toolBar.jsx

@@ -1,29 +1,30 @@
+/* eslint-disable max-lines */
 require('./toolBar.less');
 const React = require('react');
 const { useState, useEffect } = React;
 const _ = require('lodash');
 
 import { Anchored, AnchoredBox, AnchoredTrigger } from '../../../components/Anchored.jsx';
-// import * as ZoomIcons from '../../../icons/icon-components/zoomIcons.jsx';
 
 const MAX_ZOOM = 300;
 const MIN_ZOOM = 10;
 
-const ToolBar = ({ displayOptions, currentPage, totalPages, onDisplayOptionsChange })=>{
+const ToolBar = ({ displayOptions, onDisplayOptionsChange, visiblePages, totalPages })=>{
 
-	const [pageNum, setPageNum] = useState(currentPage);
+	const [pageNum, setPageNum]     = useState(1);
 	const [toolsVisible, setToolsVisible] = useState(true);
 
 	useEffect(()=>{
-		setPageNum(currentPage);
-	}, [currentPage]);
+		// format multiple visible pages as a range (e.g. "150-153")
+		const pageRange = visiblePages.length === 1 ? `${visiblePages[0]}` : `${visiblePages[0]} - ${visiblePages.at(-1)}`;
+		setPageNum(pageRange);
+	}, [visiblePages]);
 
 	const handleZoomButton = (zoom)=>{
 		handleOptionChange('zoomLevel', _.round(_.clamp(zoom, MIN_ZOOM, MAX_ZOOM)));
 	};
 
 	const handleOptionChange = (optionKey, newValue)=>{
-		//setDisplayOptions(prevOptions => ({ ...prevOptions, [optionKey]: newValue }));
 		onDisplayOptionsChange({ ...displayOptions, [optionKey]: newValue });
 	};
 
@@ -32,16 +33,16 @@ const ToolBar = ({ displayOptions, currentPage, totalPages, onDisplayOptionsChan
 			setPageNum(parseInt(pageInput)); // input type is 'text', so `page` comes in as a string, not number.
 	};
 
+	// scroll to a page, used in the Prev/Next Page buttons.
 	const scrollToPage = (pageNumber)=>{
+		if(typeof pageNumber !== 'number') return;
 		pageNumber = _.clamp(pageNumber, 1, totalPages);
 		const iframe = document.getElementById('BrewRenderer');
 		const brewRenderer = iframe?.contentWindow?.document.querySelector('.brewRenderer');
 		const page = brewRenderer?.querySelector(`#p${pageNumber}`);
 		page?.scrollIntoView({ block: 'start' });
-		setPageNum(pageNumber);
 	};
 
-
 	const calculateChange = (mode)=>{
 		const iframe = document.getElementById('BrewRenderer');
 		const iframeWidth = iframe.getBoundingClientRect().width;
@@ -57,8 +58,12 @@ const ToolBar = ({ displayOptions, currentPage, totalPages, onDisplayOptionsChan
 			desiredZoom = (iframeWidth / widestPage) * 100;
 
 		} else if(mode == 'fit'){
+			let minDimRatio;
 			// find the page with the largest single dim (height or width) so that zoom can be adapted to fit it.
-			const minDimRatio = [...pages].reduce((minRatio, page)=>Math.min(minRatio, iframeWidth / page.offsetWidth, iframeHeight / page.offsetHeight), Infinity);
+			if(displayOptions.spread === 'facing')
+				minDimRatio = [...pages].reduce((minRatio, page)=>Math.min(minRatio, iframeWidth / page.offsetWidth / 2), Infinity);    // if 'facing' spread, fit two pages in view
+			else 
+				minDimRatio = [...pages].reduce((minRatio, page)=>Math.min(minRatio, iframeWidth / page.offsetWidth, iframeHeight / page.offsetHeight), Infinity);
 
 			desiredZoom = minDimRatio * 100;
 		}
@@ -185,8 +190,8 @@ const ToolBar = ({ displayOptions, currentPage, totalPages, onDisplayOptionsChan
 					className='previousPage tool'
 					type='button'
 					title='Previous Page(s)'
-					onClick={()=>scrollToPage(pageNum - 1)}
-					disabled={pageNum <= 1}
+					onClick={()=>scrollToPage(_.min(visiblePages) - visiblePages.length)}
+					disabled={visiblePages.includes(1)}
 				>
 					<i className='fas fa-arrow-left'></i>
 				</button>
@@ -205,6 +210,7 @@ const ToolBar = ({ displayOptions, currentPage, totalPages, onDisplayOptionsChan
 						onChange={(e)=>handlePageInput(e.target.value)}
 						onBlur={()=>scrollToPage(pageNum)}
 						onKeyDown={(e)=>e.key == 'Enter' && scrollToPage(pageNum)}
+						style={{ width: `${pageNum.length}ch` }}
 					/>
 					<span id='page-count' title='Total Page Count'>/ {totalPages}</span>
 				</div>
@@ -214,8 +220,8 @@ const ToolBar = ({ displayOptions, currentPage, totalPages, onDisplayOptionsChan
 					className='tool'
 					type='button'
 					title='Next Page(s)'
-					onClick={()=>scrollToPage(pageNum + 1)}
-					disabled={pageNum >= totalPages}
+					onClick={()=>scrollToPage(_.max(visiblePages) + 1)}
+					disabled={visiblePages.includes(totalPages)}
 				>
 					<i className='fas fa-arrow-right'></i>
 				</button>

client/homebrew/brewRenderer/toolBar/toolBar.less

@@ -104,9 +104,9 @@
 		height         : 1.5em;
 		padding        : 2px 5px;
 		font-family    : 'Open Sans', sans-serif;
-		color          : #000000;
-		background     : #EEEEEE;
-		border         : 1px solid gray;
+		color          : inherit;
+		background     : #3B3B3B;
+		border         : none;
 		&:focus { outline : 1px solid #D3D3D3; }
 
 		// `.range-input` if generic to all range inputs, or `#zoom-slider` if only for zoom slider
@@ -115,10 +115,10 @@
 			color        : #D3D3D3;
 			accent-color : #D3D3D3;
   
-			&::-webkit-slider-thumb, &::-moz-slider-thumb { 
+			&::-webkit-slider-thumb, &::-moz-range-thumb { 
 				width            : 5px;
 				height           : 5px;
-				cursor           : pointer;
+				cursor           : ew-resize;
 				outline          : none;
 			}
 
@@ -141,7 +141,7 @@
 
 		// `.text-input` if generic to all range inputs, or `#page-input` if only for current page input
 		&#page-input {
-			width        : 4ch;
+			min-width    : 5ch;
 			margin-right : 1ch;
 			text-align   : center;
 		}

client/homebrew/editor/snippetbar/snippetbar.jsx

@@ -207,19 +207,11 @@ const Snippetbar = createClass({
 	renderEditorButtons : function(){
 		if(!this.props.showEditButtons) return;
 
-		const foldButtons = <>
-			<div className={`editorTool foldAll ${this.props.view !== 'meta' && this.props.foldCode ? 'active' : ''}`}
-				onClick={this.props.foldCode} >
-				<i className='fas fa-compress-alt' />
-			</div>
-			<div className={`editorTool unfoldAll ${this.props.view !== 'meta' && this.props.unfoldCode ? 'active' : ''}`}
-				onClick={this.props.unfoldCode} >
-				<i className='fas fa-expand-alt' />
-			</div>
-		</>;
+		
 
-		return <div className='editors'>
-			<div className='historyTools'>
+		return (
+		<div className='editors'>
+			{this.props.view !== 'meta' && <><div className='historyTools'>
 				<div className={`editorTool snippetGroup history ${this.state.historyExists ? 'active' : ''}`}
 					onClick={this.toggleHistoryMenu} >
 					<i className='fas fa-clock-rotate-left' />
@@ -235,14 +227,21 @@ const Snippetbar = createClass({
 				</div>
 			</div>
 			<div className='codeTools'>
-				{foldButtons}
-				<div className={`editorTool editorTheme ${this.state.themeSelector ? 'active' : ''}`}
+			<div className={`editorTool foldAll ${this.props.foldCode ? 'active' : ''}`}
+				onClick={this.props.foldCode} >
+				<i className='fas fa-compress-alt' />
+			</div>
+			<div className={`editorTool unfoldAll ${this.props.unfoldCode ? 'active' : ''}`}
+				onClick={this.props.unfoldCode} >
+				<i className='fas fa-expand-alt' />
+			</div>
+				<div className={`editorTheme ${this.state.themeSelector ? 'active' : ''}`}
 					onClick={this.toggleThemeSelector} >
 					<i className='fas fa-palette' />
 					{this.state.themeSelector && this.renderThemeSelector()}
 				</div>
-			</div>
-
+			</div></>}
+	
 
 			<div className='tabs'>
 				<div className={cx('text', { selected: this.props.view === 'text' })}
@@ -259,7 +258,8 @@ const Snippetbar = createClass({
 				</div>
 			</div>
 
-		</div>;
+		</div>
+		)
 	},
 
 	render : function(){

client/homebrew/editor/snippetbar/snippetbar.less

@@ -22,7 +22,7 @@
 		justify-content : flex-end;
 		min-width       : 225px;
 
-		&:only-child { margin-left : auto; }
+		&:only-child { margin-left : auto;min-width:unset;}
 
 		>div {
 			display         : flex;
@@ -38,6 +38,11 @@
 				line-height : @menuHeight;
 				text-align  : center;
 				cursor      : pointer;
+
+				&.editorTool:not(.active) {
+					cursor:not-allowed;
+				}
+
 				&:hover,&.selected { background-color : #999999; }
 				&.text {
 					.tooltipLeft('Brew Editor');

client/homebrew/homebrew.jsx

@@ -1,8 +1,12 @@
+//╔===--------------- Polyfills --------------===╗//
+import 'core-js/es/string/to-well-formed.js';
+//╚===---------------          ---------------===╝//
+
 require('./homebrew.less');
 const React = require('react');
 const createClass = require('create-react-class');
-const { StaticRouter:Router } = require('react-router-dom/server');
-const { Route, Routes, useParams, useSearchParams } = require('react-router-dom');
+const { StaticRouter:Router } = require('react-router');
+const { Route, Routes, useParams, useSearchParams } = require('react-router');
 
 const HomePage = require('./pages/homePage/homePage.jsx');
 const EditPage = require('./pages/editPage/editPage.jsx');

client/homebrew/pages/editPage/editPage.jsx

@@ -381,7 +381,7 @@ const EditPage = createClass({
 
 **[Homebrewery Link](${global.config.publicUrl}/share/${shareLink})**`;
 
-		return `https://www.reddit.com/r/UnearthedArcana/submit?title=${encodeURIComponent(title)}&text=${encodeURIComponent(text)}`;
+		return `https://www.reddit.com/r/UnearthedArcana/submit?title=${encodeURIComponent(title.toWellFormed())}&text=${encodeURIComponent(text)}`;
 	},
 
 	renderNavbar : function(){

client/homebrew/pages/errorPage/errors/errorIndex.js

@@ -18,7 +18,18 @@ const errorIndex = (props)=>{
 		'01' : dedent`
 			## An error occurred while retrieving this brew from Google Drive!
 			
-			Google reported an error while attempting to retrieve a brew from this link.`,
+			Google is able to see the brew at this link, but reported an error while attempting to retrieve it.
+
+			### Refreshing your Google Credentials
+
+			This issue is likely caused by an issue with your Google credentials; if you are the owner of this file, the following steps may resolve the issue:
+
+			- Go to https://www.naturalcrit.com/login and click logout if present (in small text at the bottom of the page).
+			- Click "Sign In with Google", which will refresh your Google credentials.
+			- After completing the sign in process, return to Homebrewery and refresh/reload the page so that it can pick up the updated credentials.
+			- If this was the source of the issue, it should now be resolved.
+
+			If following these steps does not resolve the issue, please let us know!`,
 
 		// Google Drive - 404 : brew deleted or access denied
 		'02' : dedent`
@@ -50,7 +61,7 @@ const errorIndex = (props)=>{
 			- **The Google Account may be closed.** Google may have removed the account
 			due to inactivity or violating a Google policy. Make sure the owner can
 			still access Google Drive normally and upload/download files to it.
-			:
+			
 			If the file isn't found, Google Drive usually puts your file in your Trash folder for
 			30 days. Assuming the trash hasn't been emptied yet, it might be worth checking.
 			You can also find the Activity tab on the right side of the Google Drive page, which
@@ -172,8 +183,8 @@ const errorIndex = (props)=>{
 		
 		**Brew Title:** ${props.brew.brewTitle}`,
 
-		// ####### Admin page error ####### 
-		'52': dedent`
+		// ####### Admin page error #######
+		'52' : dedent`
 		## Access Denied
 		You need to provide correct administrator credentials to access this page.`,
 

package.json

@@ -27,6 +27,7 @@
     "test:api-unit:themes": "jest \"server/.*.spec.js\" -t \"theme bundle\" --verbose",
     "test:api-unit:css": "jest \"server/.*.spec.js\" -t \"Get CSS\" --verbose",
     "test:api-unit:notifications": "jest \"server/.*.spec.js\" -t \"Notifications\" --verbose",
+    "test:content-negotiation": "jest \"server/middleware/.*.spec.js\" --verbose",
     "test:coverage": "jest --coverage --silent --runInBand",
     "test:dev": "jest --verbose --watch",
     "test:basic": "jest tests/markdown/basic.test.js --verbose",
@@ -37,6 +38,7 @@
     "test:mustache-syntax:injection": "jest \".*(mustache-syntax).*\" -t '^Injection:.*' --verbose --noStackTrace",
     "test:definition-lists": "jest tests/markdown/definition-lists.test.js --verbose --noStackTrace",
     "test:hard-breaks": "jest tests/markdown/hard-breaks.test.js --verbose --noStackTrace",
+    "test:non-breaking-spaces": "jest tests/markdown/non-breaking-spaces.test.js --verbose --noStackTrace",
     "test:emojis": "jest tests/markdown/emojis.test.js --verbose --noStackTrace",
     "test:route": "jest tests/routes/static-pages.test.js --verbose",
     "test:safehtml": "jest tests/html/safeHTML.test.js --verbose",
@@ -91,9 +93,11 @@
     "classnames": "^2.5.1",
     "codemirror": "^5.65.6",
     "cookie-parser": "^1.4.7",
+    "core-js": "^3.39.0",
+    "cors": "^2.8.5",
     "create-react-class": "^15.7.0",
     "dedent-tabs": "^0.10.3",
-    "dompurify": "^3.2.2",
+    "dompurify": "^3.2.3",
     "expr-eval": "^2.0.2",
     "express": "^4.21.2",
     "express-async-handler": "^1.2.0",
@@ -111,13 +115,13 @@
     "marked-smartypants-lite": "^1.0.2",
     "markedLegacy": "npm:marked@^0.3.19",
     "moment": "^2.30.1",
-    "mongoose": "^8.8.3",
+    "mongoose": "^8.9.2",
     "nanoid": "5.0.9",
     "nconf": "^0.12.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-frame-component": "^4.1.3",
-    "react-router-dom": "6.28.0",
+    "react-router": "^7.1.1",
     "sanitize-filename": "1.6.3",
     "superagent": "^10.1.1",
     "vitreum": "git+https://git@github.com/calculuschild/vitreum.git"
@@ -125,15 +129,15 @@
   "devDependencies": {
     "@stylistic/stylelint-plugin": "^3.1.1",
     "babel-plugin-transform-import-meta": "^2.2.1",
-    "eslint": "^9.16.0",
-    "eslint-plugin-jest": "^28.9.0",
-    "eslint-plugin-react": "^7.37.2",
-    "globals": "^15.13.0",
+    "eslint": "^9.17.0",
+    "eslint-plugin-jest": "^28.10.0",
+    "eslint-plugin-react": "^7.37.3",
+    "globals": "^15.14.0",
     "jest": "^29.7.0",
     "jest-expect-message": "^1.1.3",
     "jsdom-global": "^3.0.2",
     "postcss-less": "^6.0.0",
-    "stylelint": "^16.11.0",
+    "stylelint": "^16.12.0",
     "stylelint-config-recess-order": "^5.1.1",
     "stylelint-config-recommended": "^14.0.1",
     "supertest": "^7.0.0"

scripts/buildHomebrew.js

@@ -7,11 +7,12 @@ const { pack, watchFile, livereload } = vitreum;
 import lessTransform  from 'vitreum/transforms/less.js';
 import assetTransform from 'vitreum/transforms/asset.js';
 import babel          from '@babel/core';
+import babelConfig    from '../babel.config.json' with { type : 'json' };
 import less           from 'less';
 
 const isDev = !!process.argv.find((arg) => arg === '--dev');
 
-const babelify = async (code)=>(await babel.transformAsync(code, { presets: [['@babel/preset-env', { 'exclude': ['proposal-dynamic-import'] }], '@babel/preset-react'], plugins: ['@babel/plugin-transform-runtime'] })).code;
+const babelify = async (code)=>(await babel.transformAsync(code, babelConfig)).code;
 
 const transforms = {
 	'.js'   : (code, filename, opts)=>babelify(code),

server/admin.api.js

@@ -1,5 +1,5 @@
-import {model as HomebrewModel }     from './homebrew.model.js';
-import {model as NotificationModel } from './notifications.model.js';
+import { model as HomebrewModel }     from './homebrew.model.js';
+import { model as NotificationModel } from './notifications.model.js';
 import express    from 'express';
 import Moment     from 'moment';
 import zlib       from 'zlib';
@@ -108,6 +108,9 @@ router.put('/admin/clean/script/:id', asyncHandler(HomebrewAPI.getBrew('admin',
 
 	req.body = brew;
 
+	// Remove Account from request to prevent Admin user from being added to brew as an Author
+	req.account = undefined;
+
 	return await HomebrewAPI.updateBrew(req, res);
 });
 

server/app.js

@@ -2,7 +2,7 @@
 // Set working directory to project root
 import { dirname }       from 'path';
 import { fileURLToPath } from 'url';
-import packageJSON       from './../package.json' with { type: "json" };
+import packageJSON       from './../package.json' with { type: 'json' };
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 process.chdir(`${__dirname}/..`);
@@ -26,7 +26,7 @@ import serveCompressedStaticAssets from './static-assets.mv.js';
 import sanitizeFilename            from 'sanitize-filename';
 import asyncHandler                from 'express-async-handler';
 import templateFn                  from '../client/template.js';
-import {model as HomebrewModel }   from './homebrew.model.js';
+import { model as HomebrewModel }   from './homebrew.model.js';
 
 import { DEFAULT_BREW }              from './brewDefaults.js';
 import { splitTextStyleAndMetadata } from '../shared/helpers.js';
@@ -47,7 +47,7 @@ const sanitizeBrew = (brew, accessType)=>{
 	return brew;
 };
 
-app.set('trust proxy', 1 /* number of proxies between user and server */)
+app.set('trust proxy', 1 /* number of proxies between user and server */);
 
 app.use('/', serveCompressedStaticAssets(`build`));
 app.use(contentNegotiation);
@@ -55,6 +55,40 @@ app.use(bodyParser.json({ limit: '25mb' }));
 app.use(cookieParser());
 app.use(forceSSL);
 
+import cors from 'cors';
+
+const nodeEnv = config.get('node_env');
+const isLocalEnvironment = config.get('local_environments').includes(nodeEnv);
+
+const corsOptions = {
+	origin : (origin, callback)=>{
+
+		const allowedOrigins = [
+			'https://homebrewery.naturalcrit.com',
+			'https://www.naturalcrit.com',
+			'https://naturalcrit-stage.herokuapp.com',
+			'https://homebrewery-stage.herokuapp.com',
+		];
+
+		if(isLocalEnvironment) {
+			allowedOrigins.push('http://localhost:8000', 'http://localhost:8010');
+		}
+
+		const herokuRegex = /^https:\/\/(?:homebrewery-pr-\d+\.herokuapp\.com|naturalcrit-pr-\d+\.herokuapp\.com)$/; // Matches any Heroku app
+
+		if(!origin || allowedOrigins.includes(origin) || herokuRegex.test(origin)) {
+			callback(null, true);
+		} else {
+			console.log(origin, 'not allowed');
+			callback(new Error('Not allowed by CORS, if you think this is an error, please contact us'));
+		}
+	},
+	methods     : ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
+	credentials : true,
+};
+
+app.use(cors(corsOptions));
+
 //Account Middleware
 app.use((req, res, next)=>{
 	if(req.cookies && req.cookies.nc_session){
@@ -62,7 +96,9 @@ app.use((req, res, next)=>{
 			req.account = jwt.decode(req.cookies.nc_session, config.get('secret'));
 			//console.log("Just loaded up JWT from cookie:");
 			//console.log(req.account);
-		} catch (e){}
+		} catch (e){
+			console.log(e);
+		}
 	}
 
 	req.config = {
@@ -273,7 +309,7 @@ app.get('/user/:username', async (req, res, next)=>{
 		console.log(err);
 	});
 
-	brews.forEach(brew => brew.stubbed = true); //All brews from MongoDB are "stubbed"
+	brews.forEach((brew)=>brew.stubbed = true); //All brews from MongoDB are "stubbed"
 
 	if(ownAccount && req?.account?.googleId){
 		const auth = await GoogleActions.authCheck(req.account, res);
@@ -312,6 +348,34 @@ app.get('/user/:username', async (req, res, next)=>{
 	return next();
 });
 
+//Change author name on brews
+app.put('/api/user/rename', async (req, res)=>{
+	const { username, newUsername } = req.body;
+	const ownAccount = req.account && (req.account.username == newUsername);
+	
+	if(!username || !newUsername)
+		return res.status(400).json({ error: 'Username and newUsername are required.' });
+	if(!ownAccount)
+		return res.status(403).json({ error: 'Must be logged in to change your username' });
+	try {
+		const brews = await HomebrewModel.getByUser(username, true, ['authors']);
+		const renamePromises = brews.map(async (brew)=>{
+			const updatedAuthors = brew.authors.map((author)=>author === username ? newUsername : author
+			);
+			return HomebrewModel.updateOne(
+				{ _id: brew._id },
+				{ $set: { authors: updatedAuthors } }
+			);
+		});
+		await Promise.all(renamePromises);
+
+		return res.json({ success: true, message: `Brews for ${username} renamed to ${newUsername}.` });
+	} catch (error) {
+		console.error('Error renaming brews:', error);
+		return res.status(500).json({ error: 'Failed to rename brews.' });
+	}
+});
+
 //Edit Page
 app.get('/edit/:id', asyncHandler(getBrew('edit')), asyncHandler(async(req, res, next)=>{
 	req.brew = req.brew.toObject ? req.brew.toObject() : req.brew;
@@ -399,7 +463,7 @@ app.get('/share/:id', asyncHandler(getBrew('share')), asyncHandler(async (req, r
 app.get('/account', asyncHandler(async (req, res, next)=>{
 	const data = {};
 	data.title = 'Account Information Page';
-	
+
 	if(!req.account) {
 		res.set('WWW-Authenticate', 'Bearer realm="Authorization Required"');
 		const error = new Error('No valid account');
@@ -413,7 +477,7 @@ app.get('/account', asyncHandler(async (req, res, next)=>{
 	let googleCount = [];
 	if(req.account) {
 		if(req.account.googleId) {
-			auth = await GoogleActions.authCheck(req.account, res, false)
+			auth = await GoogleActions.authCheck(req.account, res, false);
 
 			googleCount = await GoogleActions.listGoogleBrews(auth)
 				.catch((err)=>{
@@ -448,8 +512,6 @@ app.get('/account', asyncHandler(async (req, res, next)=>{
 	return next();
 }));
 
-const nodeEnv = config.get('node_env');
-const isLocalEnvironment = config.get('local_environments').includes(nodeEnv);
 // Local only
 if(isLocalEnvironment){
 	// Login
@@ -477,8 +539,8 @@ app.get('/vault', asyncHandler(async(req, res, next)=>{
 
 //Send rendered page
 app.use(asyncHandler(async (req, res, next)=>{
-	if (!req.route) return res.redirect('/'); // Catch-all for invalid routes
-		
+	if(!req.route) return res.redirect('/'); // Catch-all for invalid routes
+
 	const page = await renderPage(req, res);
 	if(!page) return;
 	res.send(page);

server/homebrew.api.js

@@ -106,12 +106,12 @@ const api = {
 			stub = stub?.toObject();
 			googleId ??= stub?.googleId;
 
-			const isOwner   = stub?.authors?.length === 0 || stub?.authors?.[0] === req.account?.username;
+			const isOwner   = (accessType == 'edit' && (!stub || stub?.authors?.length === 0)) || stub?.authors?.[0] === req.account?.username;
 			const isAuthor  = stub?.authors?.includes(req.account?.username);
 			const isInvited = stub?.invitedAuthors?.includes(req.account?.username);
 
 			if(accessType === 'edit' && !(isOwner || isAuthor || isInvited)) {
-				const accessError = { name: 'Access Error', status: 401, authors: stub.authors, brewTitle: stub.title, shareId: stub.shareId };
+				const accessError = { name: 'Access Error', status: 401, authors: stub?.authors, brewTitle: stub?.title, shareId: stub?.shareId };
 				if(req.account)
 					throw { ...accessError, message: 'User is not an Author', HBErrorCode: '03' };
 				else
@@ -119,13 +119,13 @@ const api = {
 			}
 
 			if(stub?.lock?.locked && accessType != 'edit') {
-				throw { HBErrorCode: '51', code: stub.lock.code, message: stub.lock.shareMessage, brewId: stub.shareId, brewTitle: stub.title };
+				throw { HBErrorCode: '51', code: stub?.lock.code, message: stub?.lock.shareMessage, brewId: stub?.shareId, brewTitle: stub?.title };
 			}
 
-			// If there is a google id, try to find the google brew
-			if(!stubOnly && googleId) {
-				const oAuth2Client = isOwner? GoogleActions.authCheck(req.account, res) : undefined;
-				
+			// If there's a google id, get it if requesting the full brew or if no stub found yet
+			if(googleId && (!stubOnly || !stub)) {
+				const oAuth2Client = isOwner ? GoogleActions.authCheck(req.account, res) : undefined;
+
 				const googleBrew = await GoogleActions.getGoogleBrew(oAuth2Client, googleId, id, accessType)
 					.catch((googleError)=>{
 						const reason = googleError.errors?.[0].reason;
@@ -467,12 +467,11 @@ const api = {
 	}
 };
 
-router.use('/api', checkClientVersion);
-router.post('/api', asyncHandler(api.newBrew));
-router.put('/api/:id', asyncHandler(api.getBrew('edit', true)), asyncHandler(api.updateBrew));
-router.put('/api/update/:id', asyncHandler(api.getBrew('edit', true)), asyncHandler(api.updateBrew));
-router.delete('/api/:id', asyncHandler(api.deleteBrew));
-router.get('/api/remove/:id', asyncHandler(api.deleteBrew));
+router.post('/api', checkClientVersion, asyncHandler(api.newBrew));
+router.put('/api/:id', checkClientVersion, asyncHandler(api.getBrew('edit', true)), asyncHandler(api.updateBrew));
+router.put('/api/update/:id', checkClientVersion, asyncHandler(api.getBrew('edit', true)), asyncHandler(api.updateBrew));
+router.delete('/api/:id', checkClientVersion, asyncHandler(api.deleteBrew));
+router.get('/api/remove/:id', checkClientVersion, asyncHandler(api.deleteBrew));
 router.get('/api/theme/:renderer/:id', asyncHandler(api.getThemeBundle));
 
 export default api;

server/middleware/check-client-version.js

@@ -1,10 +1,10 @@
-import packageJSON from '../../package.json' with { type: "json" };
-const version = packageJSON.version;
+import packageJSON from '../../package.json' with { type: 'json' };
 
 export default (req, res, next)=>{
 	const userVersion = req.get('Homebrewery-Version');
+	const version = packageJSON.version;
 
-	if(userVersion != version) {
+	if(userVersion !== version) {
 		return res.status(412).send({
 			message : `Client version ${userVersion} is out of date. Please save your changes elsewhere and refresh to pick up client version ${version}.`
 		});
@@ -12,3 +12,4 @@ export default (req, res, next)=>{
 
 	next();
 };
+

server/middleware/content-negotiation.js

@@ -6,7 +6,7 @@ export default (req, res, next)=>{
 	const isImageRequest = req.get('Accept')?.split(',')
         ?.filter((h)=>!h.includes('q='))
         ?.every((h)=>/image\/.*/.test(h));
-	if(isImageRequest && !isLocalEnvironment && !req.url?.startsWith('/staticImages')) {
+	if(isImageRequest && !(isLocalEnvironment && req.url?.startsWith('/staticImages'))) {
 		return res.status(406).send({
 			message : 'Request for image at this URL is not supported'
 		});

server/middleware/content-negotiation.spec.js

@@ -0,0 +1,41 @@
+import contentNegotiationMiddleware from './content-negotiation.js';
+
+describe('content-negotiation-middleware', ()=>{
+	let request;
+	let response;
+	let next;
+
+	beforeEach(()=>{
+		request = {
+			get : function(key) {
+				return this[key];
+			}
+		};
+		response = {
+			status : jest.fn(()=>response),
+			send   : jest.fn(()=>{})
+		};
+		next = jest.fn();
+	});
+
+	it('should return 406 on image request', ()=>{
+		contentNegotiationMiddleware({
+			Accept : 'image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
+			...request
+		}, response);
+
+		expect(response.status).toHaveBeenLastCalledWith(406);
+		expect(response.send).toHaveBeenCalledWith({
+			message : 'Request for image at this URL is not supported'
+		});
+	});
+
+	it('should call next on non-image request', ()=>{
+		contentNegotiationMiddleware({
+			Accept : 'text,image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8',
+			...request
+		}, response, next);
+
+		expect(next).toHaveBeenCalled();
+	});
+});

shared/naturalcrit/codeEditor/codeEditor.less

@@ -11,49 +11,54 @@
 @import (less) './themes/fonts/iconFonts/fontAwesome.less';
 
 @keyframes sourceMoveAnimation {
-	50%  {background-color: red;   color: white;}
-	100% {background-color: unset; color: unset;}
+	50% {   color            : white;background-color : red;}
+	100% { color            : unset;background-color : unset;}
 }
 
-.codeEditor{
-  @media screen and (pointer : coarse) {
-    font-size : 16px;
-  }
-  .CodeMirror-foldmarker {
-    font-family: inherit;
-    text-shadow: none;
-    font-weight: 600;
-    color: grey;
-  }
+.codeEditor {
+	@media screen and (pointer : coarse) {
+		font-size : 16px;
+	}
+	.CodeMirror-foldmarker {
+		font-family : inherit;
+		font-weight : 600;
+		color       : grey;
+		text-shadow : none;
+	}
 
-  .sourceMoveFlash .CodeMirror-line{
-    animation-name: sourceMoveAnimation;
-    animation-duration: 0.4s;
-  }
+	.CodeMirror-foldgutter {
+		cursor      : pointer;
+		border-left : 1px solid #EEEEEE;
+		transition  : background 0.1s;
+		&:hover { background : #DDDDDD; }
+	}
 
-  .CodeMirror-vscrollbar {
-    &::-webkit-scrollbar {
-      width: 20px;
-    }
-    &::-webkit-scrollbar-thumb {
-      width: 20px;
-      background: linear-gradient(90deg, #858585 15px, #808080 15px);
-    }
-  }
+	.sourceMoveFlash .CodeMirror-line {
+		animation-name     : sourceMoveAnimation;
+		animation-duration : 0.4s;
+	}
+
+	.CodeMirror-vscrollbar {
+		&::-webkit-scrollbar { width : 20px; }
+		&::-webkit-scrollbar-thumb {
+			width      : 20px;
+			background : linear-gradient(90deg, #858585 15px, #808080 15px);
+		}
+	}
 
 
-  //.cm-tab {
-  //  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAMCAQAAACOs/baAAAARUlEQVR4nGJgIAG8JkXxUAcCtDWemcGR1lY4MvgzCEKY7jSBjgxBDAG09UEQzAe0AMwMHrSOAwEGRtpaMIwAAAAA//8DAG4ID9EKs6YqAAAAAElFTkSuQmCC) no-repeat right;
-  //}
+	//.cm-tab {
+	//  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAMCAQAAACOs/baAAAARUlEQVR4nGJgIAG8JkXxUAcCtDWemcGR1lY4MvgzCEKY7jSBjgxBDAG09UEQzAe0AMwMHrSOAwEGRtpaMIwAAAAA//8DAG4ID9EKs6YqAAAAAElFTkSuQmCC) no-repeat right;
+	//}
 
-  //.cm-trailingspace {
-  //  .cm-space {
-  //    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAQAgMAAABW5NbuAAAACVBMVEVHcEwAAAAAAAAWawmTAAAAA3RSTlMAPBJ6PMxpAAAACXBIWXMAAC4jAAAuIwF4pT92AAAAFUlEQVQI12NgwACcCQysASAEZGAAACMuAX06aCQUAAAAAElFTkSuQmCC) no-repeat right;
-  //  }
-  //}
+	//.cm-trailingspace {
+	//  .cm-space {
+	//    background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAQAgMAAABW5NbuAAAACVBMVEVHcEwAAAAAAAAWawmTAAAAA3RSTlMAPBJ6PMxpAAAACXBIWXMAAC4jAAAuIwF4pT92AAAAFUlEQVQI12NgwACcCQysASAEZGAAACMuAX06aCQUAAAAAElFTkSuQmCC) no-repeat right;
+	//  }
+	//}
 }
 
 .emojiPreview {
-	font-size: 1.5em;
-	line-height: 1.2em;
+	font-size   : 1.5em;
+	line-height : 1.2em;
 }

shared/naturalcrit/markdown.js

@@ -391,10 +391,31 @@ const forcedParagraphBreaks = {
 	}
 };
 
+const nonbreakingSpaces = {
+	name  : 'nonbreakingSpaces',
+	level : 'inline',
+	start(src) { return src.match(/:>+/m)?.index; },  // Hint to Marked.js to stop and check for a match
+	tokenizer(src, tokens) {
+		const regex  = /:(>+)/ym;
+		const match = regex.exec(src);
+		if(match?.length) {
+			return {
+				type   : 'nonbreakingSpaces', // Should match "name" above
+				raw    : match[0],     // Text to consume from the source
+				length : match[1].length,
+				text   : ''
+			};
+		}
+	},
+	renderer(token) {
+		return ` `.repeat(token.length).concat('');
+	}
+};
+
 const definitionListsSingleLine = {
 	name  : 'definitionListsSingleLine',
 	level : 'block',
-	start(src) { return src.match(/\n[^\n]*?::[^\n]*/m)?.index; },  // Hint to Marked.js to stop and check for a match
+	start(src) { return src.match(/\n[^\n]*?::[^\n]*/m)?.index; }, // Hint to Marked.js to stop and check for a match
 	tokenizer(src, tokens) {
 		const regex = /^([^\n]*?)::([^\n]*)(?:\n|$)/ym;
 		let match;
@@ -748,11 +769,12 @@ const tableTerminators = [
 ];
 
 Marked.use(MarkedVariables());
-Marked.use({ extensions : [definitionListsMultiLine, definitionListsSingleLine, forcedParagraphBreaks, superSubScripts,
-	mustacheSpans, mustacheDivs, mustacheInjectInline] });
+Marked.use({ extensions : [definitionListsMultiLine, definitionListsSingleLine, forcedParagraphBreaks,
+	nonbreakingSpaces, superSubScripts, mustacheSpans, mustacheDivs, mustacheInjectInline] });
 Marked.use(mustacheInjectBlock);
 Marked.use({ renderer: renderer, tokenizer: tokenizer, mangle: false });
-Marked.use(MarkedExtendedTables(tableTerminators), MarkedGFMHeadingId({ globalSlugs: true }), MarkedSmartypantsLite(), MarkedEmojis(MarkedEmojiOptions));
+Marked.use(MarkedExtendedTables(tableTerminators), MarkedGFMHeadingId({ globalSlugs: true }),
+	MarkedSmartypantsLite(), MarkedEmojis(MarkedEmojiOptions));
 
 function cleanUrl(href) {
 	try {

shared/naturalcrit/styles/core.less

@@ -43,5 +43,6 @@ html,body, #reactRoot{
 	}
 	&:disabled{
 		background-color : @silver !important;
+		cursor:not-allowed;
 	}
 }

tests/markdown/non-breaking-spaces.test.js

@@ -0,0 +1,72 @@
+/* eslint-disable max-lines */
+
+import Markdown from 'naturalcrit/markdown.js';
+
+describe('Non-Breaking Spaces', ()=>{
+	test('Single Space', function() {
+		const source = ':>\n\n';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>&nbsp;</p>`);
+	});
+
+	test('Double Space', function() {
+		const source = ':>>\n\n';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>&nbsp;&nbsp;</p>`);
+	});
+
+	test('Triple Space', function() {
+		const source = ':>>>\n\n';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>&nbsp;&nbsp;&nbsp;</p>`);
+	});
+
+	test('Many Space', function() {
+		const source = ':>>>>>>>>>>\n\n';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>`);
+	});
+
+	test('Multiple sets of Spaces', function() {
+		const source = ':>>>\n:>>>\n:>>>';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;</p>`);
+	});
+
+	test('Pair of inline Spaces', function() {
+		const source = ':>>:>>';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>&nbsp;&nbsp;&nbsp;&nbsp;</p>`);
+	});
+
+	test('Space directly between two paragraphs', function() {
+		const source = 'Line 1\n:>>\nLine 2';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<p>Line 1\n&nbsp;&nbsp;\nLine 2</p>`);
+	});
+
+	test('Ignored inside a code block', function() {
+		const source = '```\n\n:>\n\n```\n';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<pre><code>\n:&gt;\n</code></pre>`);
+	});
+
+	test('I am actually a single-line definition list!', function() {
+		const source = 'Term ::> Definition 1\n';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<dl><dt>Term</dt><dd>> Definition 1</dd>\n</dl>`);
+	});
+
+	test('I am actually a definition list!', function() {
+		const source = 'Term\n::> Definition 1\n';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<dl><dt>Term</dt>\n<dd>> Definition 1</dd></dl>`);
+	});
+
+	test('I am actually a two-term definition list!', function() {
+		const source = 'Term\n::> Definition 1\n::>> Definition 2';
+		const rendered = Markdown.render(source).trim();
+		expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<dl><dt>Term</dt>\n<dd>> Definition 1</dd>\n<dd>>> Definition 2</dd></dl>`);
+	});
+});
+

themes/Legacy/5ePHB/style.less

@@ -42,23 +42,25 @@ body {
 }
 .phb, .page{
 	.useColumns();
-	counter-increment : phb-page-numbers;
-	position          : relative;
-	z-index           : 15;
-	box-sizing        : border-box;
-	overflow          : hidden;
-	height            : 279.4mm;
-	width             : 215.9mm;
-	padding           : 1.0cm 1.7cm;
-	padding-bottom    : 1.5cm;
-	background-color  : @background;
-	background-image  : @backgroundImage;
-	font-family       : BookSanity;
-	font-size         : 0.317cm;
-	text-rendering    : optimizeLegibility;
-	page-break-before : always;
-	page-break-after  : always;
-	contain           : size;
+	counter-increment      : phb-page-numbers;
+	position               : relative;
+	z-index                : 15;
+	box-sizing             : border-box;
+	overflow               : hidden;
+	height                 : 279.4mm;
+	width                  : 215.9mm;
+	padding                : 1.0cm 1.7cm;
+	padding-bottom         : 1.5cm;
+	background-color       : @background;
+	background-image       : @backgroundImage;
+	font-family            : BookSanity;
+	font-size              : 0.317cm;
+	text-rendering         : optimizeLegibility;
+	page-break-before      : always;
+	page-break-after       : always;
+	contain                : strict;
+	content-visibility     : auto;
+	contain-intrinsic-size : auto none;
 }
 
 .phb{

themes/V3/Blank/style.less

@@ -45,19 +45,21 @@ body { counter-reset : page-numbers 0; }
 }
 .page {
 	.useColumns();
-	position          : relative;
-	z-index           : 15;
-	box-sizing        : border-box;
-	width             : 215.9mm;
-	height            : 279.4mm;
-	padding           : 1.4cm 1.9cm 1.7cm;
-	overflow          : hidden;
-	background-color  : var(--HB_Color_Background);
-	text-rendering    : optimizeLegibility;
-	contain           : size;
+	position               : relative;
+	z-index                : 15;
+	box-sizing             : border-box;
+	width                  : 215.9mm;
+	height                 : 279.4mm;
+	padding                : 1.4cm 1.9cm 1.7cm;
+	overflow               : hidden;
+	background-color       : var(--HB_Color_Background);
+	text-rendering         : optimizeLegibility;
+	contain                : strict;
+	content-visibility     : auto;
+	contain-intrinsic-size : auto none;
 }
-//*****************************
-// *            BASE
+	//*****************************
+	// *            BASE
 	// *****************************/
 .page {
 	p {